certain amount that was needed other than coat the disk in the paste there could have been more on one disc than another in each trial‚ meaning that more liver on a disc equals more enzymes which would make the reaction quicker than the last.
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One‐delayed‐neutron group reactivity equation; lp 1 lp where 0.0065; 0.1sec1 1 lp For lp 0.0sec For lp 0.0001sec For lp 0.001sec Note:In this question examine the figure 7.2 and see that to give a constant period value ‚say 1 sec‚you should give much more reactivity as p.neutron lifet ime increases.And it is strongl recommended that before exam‚study figure 7.1 . 7.8 2e 4 from figure 7.2 so you can ignore jump in power(flux) in this
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Enzymes are biological molecules‚ or proteins‚ that act as catalysts. Enzymes help complex reactions so that they may occur everywhere in life. For example‚ when you eat meat‚ the proteases work to help break down the peptide bonds that occur among the amino acids. Enzymes usually work to complete one specific job which makes them specific catalysts. They also won’t be found all over the body‚ enzymes are found in neural cells‚ intestinal cells‚ and saliva. Enzymes are among the many organic macromolecules
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your knowledge of the dissolving process‚ collision theory‚ and reaction rates. I knew that the more water in the glass would make the Alka-Seltzer dissolve slower but the warmer temperature would speed it up a little bit. 4. What was your prediction about the results of each factor tested in your two lab procedures? Explain your predictions based on your knowledge of the dissolving process‚ collision theory‚ and reaction rates. My prediction was right and I knew this experiment was perfect
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CONCLUSION: In conclusion this science assessment was to find out if surface area affects reaction rate‚ and this experiment proved that surface area in fact does affect reaction rate. My experiment used a berocca tablet that was either cut into sections or left whole‚ the smaller fractions had a larger surface area as there was more area to cover‚ the pieces were then put into water
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system will have one reaction dominate until the offsetting changes allow the rates of the forward and reverse reactions to be equal again (reestablishing equilibrium). If the forward reaction dominates in order to offset the changes‚ we say the system “shifts to the right” or “shifts toward products” in order to reestablish equilibrium conditions. This will increase the concentration of the products and decrease the concentration of the reactants. However‚ if the reverse reaction dominates in order
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DATE PERFORMED: JANUARY 6‚ 2011 SPECTROPHOTOMETRIC DETERMINATION OF THE EQUILIBRIUM CONSTANT OF A REACTION ABSTRACT The objective of the experiment was to determine the equilibrium constant of the reaction forming ferric thiocyanate through the use of Spectrophotometry. For the calibration‚ five standard solutions were prepared‚ then their respective absorbance values that were obtained through the use of the spectrophotometer‚ were plotted versus the concentration of the analyte so that a calibration
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transition can be obtained as a function of the glass transition temperature‚ Tg‚ using the second approach proposed by Kissinger [26]: (16) where R is the universal gas constant. The plots of versus 1000/Tg for different compositions are shown in Fig.7. The values of the activation energy for the glass transition of the studied glasses calculated from
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Iron-Copper co doped bismuth vanadate‚ has led to the formation of the BIFECUVOX solid solution in the composition range 0.05≤x≤0.20 were synthesized by standard solid state reactions. Fe and Cu substitution effects on the phase stabilityand electrical performance in the parent bismuth vanadate and was investigated by combining results obtained fromPowder X-ray diffraction (PXRD)‚ Differential Thermal analysis (DTA)‚ Thermogravimetric analysis (TGA)‚Scanning Electron Microscopy(SEM) and AC impedance
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enzyme called amylase. Amylase is the enzyme found in your saliva. The purpose of this enzyme is to help in the digestion process (McD‚ 2002). Enzymes are biological catalyst that help speed up the reaction by lowering the activation energy. These enzymes allow your food to be digested at a faster rate (National Institute of Asian Medicine‚ 2007). There are many factors that can affect the efficiency of enzymes which include pH levels‚ the amount of substrate‚ inhibitors‚ and temperature (Your Mom
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